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Finding the Fourth Proportional to 599,668.70, 899,503.05 and 550,679.90

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Solution

The fourth proportional to 599,668.70, 899,503.05 and 550,679.90 is: 826,019.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,668.70 : 899,503.05 = 550,679.90 : x
  2. Step 2: Convert to fraction form
    599,668.70/899,503.05 = 550,679.90/x
  3. Step 3: Cross multiply
    599,668.70x = 899,503.05 × 550,679.90
  4. Step 4: Simplify right side
    599,668.70x = 495,338,249,623.70
  5. Step 5: Solve for x
    x = 495,338,249,623.70/599,668.70
  6. Step 6: Final answer
    x = 826,019.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.